import sys
import pygame
from pygame.sprite import Group
from settings import Settings
from ship import Ship
import game_functions as gf
from game_stats import GameStats
from button import Button
from scoreboard import Scoreboard

def run_game():
    pygame.init()
    ai_settings=Settings()
    screen=pygame.display.set_mode((ai_settings.screen_width,ai_settings.screen_height))
    pygame.display.set_caption("Alien Invasion")

    #创建play按钮
    play_button = Button(ai_settings,screen,"Play")

    #创建一个用于存储游戏统计信息的实例
    stats = GameStats(ai_settings)
    sb = Scoreboard(ai_settings, screen, stats)

    #创建一艘飞船
    ship=Ship(ai_settings,screen)
    #创建一个用于储存子弹的编组
    bullets=Group()
    aliens=Group()
    #创建外星人群
    gf.create_fleet(ai_settings,screen,ship,aliens)

    while 1:
        #监听键盘和鼠标事件
        gf.check_events(ai_settings,screen, stats, sb, play_button, ship, aliens, bullets)
        if stats.game_active:
            ship.update()
            gf.update_bullets(ai_settings,screen, stats, sb, ship,aliens,bullets)
            gf.update_aliens(ai_settings,stats,screen, sb, ship,aliens,bullets)
        gf.update_screen(ai_settings,screen,stats, sb, ship,aliens,bullets,play_button)

run_game()